abridgment vs augmentation

abridgment

noun
  • An epitome or compend, as of a book; a shortened or abridged form; an abbreviation. 

  • The state of being abridged or lessened. 

  • The leaving out of certain portions of a plaintiff's demand, the writ still holding good for the remainder. 

  • The act of abridging; reduction or deprivation 

augmentation

noun
  • The act or process of augmenting. 

  • A surgical procedure to enlarge a body part, as breast augmentation. 

  • A particular mark of honour, granted by the sovereign in consideration of some noble action, or by favour; and either quartered with the family arms, or on an escutcheon or canton. 

  • The stage of a disease during which symptoms increase or continue. 

  • A compositional technique where the composer lengthens the melody by lengthening its note values. 

  • An increase of stipend obtained by a parish minister by an action raised in the Court of Teinds against the titular and heritors. 

How often have the words abridgment and augmentation occurred in a corpus of books? (source: Google Ngram Viewer )